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  <title>Updates record in paradox database</title>
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  <div id="layout-content"><div id="function.px-update-record" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">px_update_record</h1>
  <p class="verinfo">(PECL paradox &gt;= 1.4.0)</p><p class="refpurpose"><span class="refname">px_update_record</span> &mdash; <span class="dc-title">Updates record in paradox database</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.px-update-record-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>px_update_record</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$pxdoc</code></span>
   , <span class="methodparam"><span class="type">array</span> <code class="parameter">$data</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$num</code></span>
   ) : <span class="type">bool</span></div>


  <p class="para rdfs-comment">
   Updates an exiting record in the database. The record starts at 0.
  </p>
  <p class="para">
   The record data is passed as an array of field values. The elements in
   the array must correspond to the fields in the database. If the array
   has less elements than fields in the database, the remaining fields
   will be set to null.
  </p>
  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <p class="para">
    This function is only available if pxlib &gt;= 0.6.0 is used.
   </p>
  </p></blockquote>

 </div>


 <div class="refsect1 parameters" id="refsect1-function.px-update-record-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">pxdoc</code></dt>

     <dd>

      <p class="para">
       Resource identifier of the paradox database
       as returned by <span class="function"><a href="px_new.html" class="function">px_new()</a></span>.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">data</code></dt>

     <dd>

      <p class="para">
       Associated array containing the field values as returned by
       <span class="function"><a href="px_retrieve_record.html" class="function">px_retrieve_record()</a></span>.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">num</code></dt>

     <dd>

      <p class="para">
       The record number is an artificial number counting records in the order
       as they are stored in the database. The first record has number 0.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.px-update-record-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.px-update-record-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
    <span class="function"><a href="px_insert_record.html" class="function" rel="rdfs-seeAlso">px_insert_record()</a> - Inserts record into paradox database</span>
  </p>
 </div>

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